title: Local law enforcement policies directed toward illicit drug selling and usage.
mesh_terms: D003362:Cost-Benefit Analysis; D003415:Crime; D003416:Criminal Law; D004335:Drug and Narcotic Control / Q000331:legislation & jurisprudence / Q000379:methods*; D006556:Heroin Dependence / Q000517:prevention & control; D006801:Humans; D013287:Illicit Drugs / Q000600:supply & distribution; D007603:Jurisprudence; D004364:Pharmaceutical Preparations / Q000600:supply & distribution; D011678:Punishment; D012306:Risk; D019966:Substance-Related Disorders / Q000191:economics / Q000517:prevention & control* / Q000523:psychology; D014481:United States
chemical_list: D013287:Illicit Drugs; D004364:Pharmaceutical Preparations